TY - CONF AU - Thomas Heavner AU - Jon Shirley AU - F Levi AU - Dai Yu AU - Steven Jefferts C2 - 2006 IEEE Intl Freq. Cont. Symp. , Miami, FL DA - 2006-01-01 LA - en PB - 2006 IEEE Intl Freq. Cont. Symp. , Miami, FL PY - 2006 TI - Frequency Biases in Pulsed Atomic Fountain Frequency Standards Due to Spurious Components in the Microwave Spectrum ER -